Contains 5 oz of. Low mintage of only 777 coins. Comes geaded and certified by NGC in a NGC Holder together with a presentation box and certificate of authenticity. Obverse: Displays the effigy of His Majesty King Charles III. The background resembles a topography map. Reverse: Features an image of the Grand Canyon and the Colorado River which lies at the bottom of the canyon. The minting technique used gives the effect that the Grand Canyon is being carved out of the rocks. Sovereign coin backed by the Cook Islands government.